Actual source document ( pdf ) linked to here : <a href="https://vault.fbi.gov/9-11-attacks-investigation-and-related-materials/9-11-material-released-in-response-to-executive-order-14040/april-4-2016-electronic-communication-part-01-of-01/view" rel="nofollow">https://vault.fbi.gov/9-11-attacks-investigation-and-related...</a><p>"Release of FBI Electronic Communication dated April 4, 2016
Pursuant to Executive Order 14040 § 2(a) (Sept. 3, 2021)"